[PATCH v1 2/2] usb: phy: mxs: fix MXS_PHY_TX_CAL45_MIN and MXS_PHY_TX_CAL45_MAX

Frank Li Frank.Li at nxp.com
Mon Aug 29 08:31:24 PDT 2022


According to spec:
            0000 +19.95%
            ....
            1111 -21.68%

    45 * (1 + 19.95%) = 53.9775
    45 * (1 - 21.68%) = 35.244

Fix MXS_PHY_TX_CAL45_MIN from 30 to 35
Fix MXS_PHY_TX_CAL45_MAX from 55 to 54

Signed-off-by: Frank Li <Frank.Li at nxp.com>
---
 drivers/usb/phy/phy-mxs-usb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index 9292d8e4e92a5..f909741641ec3 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -193,8 +193,8 @@
 #define MXS_PHY_NEED_IP_FIX			BIT(3)
 
 /* Minimum and maximum values for device tree entries */
-#define MXS_PHY_TX_CAL45_MIN			30
-#define MXS_PHY_TX_CAL45_MAX			55
+#define MXS_PHY_TX_CAL45_MIN			35
+#define MXS_PHY_TX_CAL45_MAX			54
 #define MXS_PHY_TX_D_CAL_MIN			79
 #define MXS_PHY_TX_D_CAL_MAX			119
 
-- 
2.35.1




More information about the linux-arm-kernel mailing list